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Hollywood abuzz over Oscar controversies

History, nature, violence and love are some of the topics of the films at this year's Academy Awards in Hollywood. As always, however, the ceremony will not be without controversy.

One film, Zero Dark Thirty, a Best Picture nominee, has been criticised for distorting the role of torture played in tracking down the al-Qaeda leader Osama bin Laden. The historical accuracy of the film Argo has also been questioned.

In one unique twist, the 85th Oscars will features the oldest and youngest nominees for Best Actress.